Video Tutorial

Book 1: Worked Example 1.1
Book 1: Worked Example 1.2
Book 1: Take this Challenge 1.1
Book 1: Worked Example 2.1
Book 1: Worked Example 3.1
Book 1: Worked Example 4.1
Book 1: Worked Example 4.2
Book 1: Worked Example 4.3
Book 1: Take this Challenge 4.1
Book 1: Worked Example 5.1
Book 1: Worked Example 5.2
Book 1: Worked Example 5.3
Book 1: Take This Challenge 5.1
Book 1: Worked Example 6.1
Book 1: Worked Example 6.2
Book 1: Worked Example 6.3
Book 1: Worked Example 6.4
Book 1: Worked Example 7.1
Book 1: Worked Example 7.2
Book 1: Data-response question
Book 2: Worked Example 8.1
Book 2: Worked Example 8.2
Book 2: Worked Example 9.1
Book 2: Worked Example 9.2
Book 2: Worked Example 10.1
Book 2: Worked Example 10.2
Book 2: Worked Example 10.3
Book 2: Worked Example 11.1
Book 2: Worked Example 11.2
Book 2: Worked Example 11.3
Book 2: Worked Example 11.4
Book 2: Take this challenge 11.1
Book 2: Worked Example 12.1
Book 2: Worked Example 12.2
Book 2: Worked Example 13.1
Book 2: Worked Example 13.2
Book 2: Worked Example 14.1
Book 2: Worked Example 14.2
Book 2: Data-response question
Book 3: Worked Example 15.1